<!DOCTYPE html>

<html>
<head>
    <style>
        .container {
            width: 700px;
            height: 2000px;
            margin: 0 auto;
            background-color: silver;
        }
    </style>
    <script>
        function doTest()
        {
            window.scrollTo(0, 400);
            window.resizeTo(1000, 600);
        }
        window.addEventListener('load', doTest, false);
    </script>
</head>
<body>
    <div class="container"></div>
<pre id="layers">Layer tree goes here</p>
</body>
</html>
